/**
 * Copyright (C) 2010-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.googlecode.flyway.core.info;

import com.googlecode.flyway.core.api.MigrationVersion;

/**
 * The current context of the migrations.
 */
public class MigrationInfoContext {
    /**
     * Whether out of order migrations are allowed.
     */
    public boolean outOfOrder;

    /**
     * The migration target.
     */
    public MigrationVersion target;

    /**
     * The INIT migration version that was applied.
     */
    public MigrationVersion init;

    /**
     * The last resolved migration.
     */
    public MigrationVersion lastResolved = MigrationVersion.EMPTY;

    /**
     * The last applied migration.
     */
    public MigrationVersion lastApplied = MigrationVersion.EMPTY;

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        MigrationInfoContext context = (MigrationInfoContext) o;

        if (outOfOrder != context.outOfOrder) return false;
        if (init != null ? !init.equals(context.init) : context.init != null) return false;
        if (!lastApplied.equals(context.lastApplied)) return false;
        if (!lastResolved.equals(context.lastResolved)) return false;
        return target.equals(context.target);
    }

    @Override
    public int hashCode() {
        int result = (outOfOrder ? 1 : 0);
        result = 31 * result + target.hashCode();
        result = 31 * result + (init != null ? init.hashCode() : 0);
        result = 31 * result + lastResolved.hashCode();
        result = 31 * result + lastApplied.hashCode();
        return result;
    }
}
